40 lines
865 B
C++
40 lines
865 B
C++
#pragma once
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#include <algorithm>
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#include <functional>
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#include <td/common/NonCopyable.h>
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#include <vector>
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namespace td {
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namespace utils {
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template <typename... Args>
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class Signal : private NonCopyable {
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public:
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using FnType = void(Args...);
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using CallBack = std::function<FnType>;
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private:
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std::vector<CallBack> m_Callbacks;
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public:
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void Connect(const CallBack& a_Callback) {
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m_Callbacks.push_back(a_Callback);
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}
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void Disconnect(const CallBack& a_Callback) {
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auto it = std::find_if(m_Callbacks.begin(), m_Callbacks.end(),
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[&a_Callback](CallBack& callback) { return a_Callback.template target<FnType>() == callback.template target<FnType>(); });
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m_Callbacks.erase(it);
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}
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void operator()(Args... args) const {
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for (const CallBack& callback : m_Callbacks) {
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callback(args...);
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}
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}
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};
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} // namespace utils
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} // namespace td
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